import Vue from 'vue'
import VueRouter from 'vue-router'
import Login from '../components/Login.vue'
import Home from '../components/Home.vue'
import Welcome from '../components/Welcome.vue'
import Users from '../components/user/Users.vue'
import Rights from '../components/power/Rights'
import Roles from '../components/power/Roles.vue'
import Cate from '../components/goods/Cate.vue'
import Params from '../components/goods/Params.vue'
import List from '../components/goods/List.vue'
import Add from '../components/goods/Add.vue'
import Order from '../components/order/Order.vue'
import Report from '../components/report/Report.vue'
Vue.use(VueRouter)

const routes = [
  {
    path: '/',
    redirect: '/login'

  },
  {
    path: '/login',
    component: Login
  },
  {
    path: '/home',
    component: Home,
    redirect: '/home/welcome',
    children: [
      {
        path: '/home/welcome',
        component: Welcome
      },
      {
        path: '/home/users',
        component: Users
      },
      {
        path: '/home/rights',
        component: Rights
      },
      {
        path: '/home/roles',
        component: Roles
      },
      {
        path: '/home/categories',
        component: Cate
      },
      {
        path: '/home/params',
        component: Params
      },
      {
        path: '/home/goods',
        component: List

      },

      {
        path: '/home/add',
        component: Add
      },
      {
        path: '/home/orders',
        component: Order
      },
      {
        path: '/home/reports',
        component: Report
      }
    ]
  }

]

const router = new VueRouter({
  routes
})

// 挂载路由导航守卫
router.beforeEach((to, from, next) => {
  // to 将要访问的路径
  // from 代表从哪个路径跳转而来
  // next 是一个函数，表示放行
  //     next()  放行    next('/login')  强制跳转

  if (to.path === '/login') return next()
  // 获取token
  const tokenStr = window.sessionStorage.getItem('token')
  if (!tokenStr) return next('/login')
  next()
})
const originalPush = VueRouter.prototype.push
// eslint-disable-next-line space-before-function-paren
VueRouter.prototype.push = function push (location) {
  return originalPush.call(this, location).catch(err => err)
}

export default router
